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Row Selection [message #988775]

Mon, 03 December 2012 01:05

Francine Mising name is currently offline

Francine Mising name
Messages: 13
Registered: July 2009

Junior Member

This is probably a simple problem but my NatTable is not highlighting selected row when I click on the row header. I also want to enable multi-row selection. What am I missing.

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Re: Row Selection [message #988784 is a reply to message #988775]

Mon, 03 December 2012 02:46

Dirk Fauth
Messages: 525
Registered: July 2012

Senior Member

How did you instantiate the SelectionLayer? It sounds like an issue with the row header layer dependency.

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Re: Row Selection [message #988924 is a reply to message #988784]

Mon, 03 December 2012 14:08

Francine Mising name
Messages: 13
Registered: July 2009

Junior Member

I am creating my own GlazedList where each row is a HistoryItem:

EventList<HistoryItem> eventList = GlazedLists.eventList(model.getHistoryList());
FilterList<HistoryItem> filterList = new FilterList<HistoryItem>(eventList);
SortedList<HistoryItem> sortedList = new SortedList<HistoryItem> (filterList, null);

IColumnPropertyAccessor<HistoryItem> columnPropertyAccessor = new
ReflectiveColumnPropertyAccessor<HistoryItem>(propertyNames);

ListDataProvider<HistoryItem> bodyDataProvider = new ListDataProvider<HistoryItem>
(sortedList, columnPropertyAccessor);
DataLayer bodyDataLayer = new DataLayer(bodyDataProvider);
GlazedListsEventLayer<HistoryItem> glazedListsEventLayer = new
GlazedListsEventLayer<HistoryItem>(bodyDataLayer, eventList);
DefaultBodyLayerStack bodyLayerStack = new
DefaultBodyLayerStack(glazedListsEventLayer);
SelectionLayer selectionLayer = bodyLayerStack.getSelectionLayer();

...
Here is my RowHeaderLayer:
IDataProvider rowHeaderDataProvider = new
DefaultRowHeaderDataProvider(bodyDataProvider);
IUniqueIndexLayer rowHeaderDataLayer = new
DefaultRowHeaderDataLayer(rowHeaderDataProvider);
RowHeaderLayer rowHeaderLayer = new RowHeaderLayer(rowHeaderDataLayer,
bodyDataLayer, selectionLayer);

Thanks for your help,

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Re: Row Selection [message #989008 is a reply to message #988924]

Tue, 04 December 2012 05:04

Dirk Fauth
Messages: 525
Registered: July 2012

Senior Member

Well this looks reasonable. At least the parts you posted. If it doesn't work, than maybe you forgot to link your layers correctly to the GridLayer you are using?

Have a look at the DefaultGridLayer. There the init method does the similar thing you are trying to do. Maybe it is just a typo in setting the references.

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Re: Row Selection [message #989161 is a reply to message #989008]

Tue, 04 December 2012 17:40

Francine Mising name
Messages: 13
Registered: July 2009

Junior Member

Thanks for the reply. I finally had to start over and got it to work. I guess I had a bad reference as you suggested.

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